阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。

The Palace Museum，【小题1】 (know)as the Forbidden City，welcomed 【小题2】 (it)17 millionth visitor on December 13，becoming the museum with the most visitors in the world.The number of visitors has continued growing since it 【小题3】 (reach)the milestone with 10 million in 2009.There is 【小题4】 increase of 6.25％from last year in the number of visitors.Although the Palace Museum has limited daily visitors 【小题5】 (protect)the ancient architecture，the number of off-season visitors has grown 【小题6】 (steady)this year.Over the last decade，the museum has produced more than 10，000 cultural items 【小题7】 (range) from notebooks to lipsticks.

The official Weibo account of the Palace Museum，with more than 6 million followers，【小题8】 keeps showing the palace’s charm of four seasons by posting beautiful 【小题9】 (photo) regularly，plays all important role in interacting with the young people and promoting the museum.The fundamental reason why the Palace Museum has become so popular among young people is that it strikes the right balance between preserving history 【小题10】 providing many interesting interactive displays.